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Calibration Standard for HI 715 Checker HC ®
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Range 0.0 - 8.0 ppm | DPD method | Resolution 0.1ppm
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Reagents for HI 755 Checker HC ®, 25 Tests
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Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm
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Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm
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The HI 764 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the HI 764 Checker®HC, press the button and read the results. It’s that easy.
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Range 0.0 - 99.9 ppm NH3-N | Nessler Method | 0.1ppm resolution
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The HI 775 Checker®HC is a simple, accurate, and cost effective way to measure alkalinity. Designed as a more accurate alternative to chemical test kits, the HI 775 provides quick, accurate results in four easy steps.